And peter english



(No Model.) 3 SheetsSheet 1.. A. LANGLAIS 8: P. ENGLISH.

GAS METER.

Patented Mala-29, 1887.

N. PETERS. Phomuuw n hur. wunmgwm u. C.

(No Model.) 3 She etsSheet 3. A. LANGLAIS & P. ENGLISH.

GAS METER.

No. 360,026. Patented Mar129, 1887.

mffiiaiaea I N PETERS. Phulo-Lilhogmnhur. Wasllmgtan D c UNITED STATES PATENT OFFICE.

ARCHIE LANGLAIS, OF CHICAGO, ILLINOIS, AND PETER ENGLISH, OF IVOODSTOCK, ONTARIO, CANADA.

GAS-M ETE R.

SPECIFICATION forming part of Letters Patent No. 360,026, dated March 29, 1887.

Application filed July 20, 1886.

To aZZ whom, it may concern:

Be it known that we, ARCHIE LANGLAIS,Of Chicago, State of Illinois, and PETER EN- GLIsH, formerly of said Chicago, but now of Woodstock, Ontario, Canada, have invented certain new and useful Improvements in Gas- Meters, of which the following is a specifieation.

The object of our improvements is to provide a liquid or fluid joint between the moving parts of the expansible chambers, to prevent the gas from passing from one of such chambers into the other, whereby the expansion and contraction of the chambers may be effected by less pressure of gas and the quantity is measured with greater accuracy than heretofore; also, the cost of the meter is lessened and its durability made greater.

The accompanying drawings illustrate the invention.

Figure 1 is a top or plan view of a gas-meter containing the invention, the top of the outer casing being removed. Fig. 2 isa hori zontal section of one side of the meter, taken on line a: x of Fig. Fig. 3 is avertical section taken on line no a: of Fig. 1. Fig. 4 is a transverse vertical section taken on line y y of Fig. 1.

The outer case, A, is constructed of sheet metal and made air-tight. The upper compartment, A, which is separated by the partition a from the lower compartments, A A which are separated from each other by partition a, is of the ordinary construction, and has a subcompartment, A, into which the gas is admitted from the main through the pipe B, and from which the gas passes through ports covered byvalves B into the eXpansible chambers in the usual manner. The upper chamber is also provided with mechanism consisting of rock-shafts C, provided with crankarms C, connected by links (1 with the arm C of the wheel D, which engages wheel D of the shaft Dfifor operating the register, (not shown,) which is all of ordinary construction, and is therefore not described more in detail.

The chambers A are each provided with a narrow reservoir, E, at the bottom, which is made of metal, glass, or porcelain, and is open at the top, as at 6. These reservoirs are preferably made cylindrical, the side walls thereof (No model.)

being in the position of two concentriccircles; but their form is immaterial and may be varied to any shape-as triangular, square, or polygonal. The bottom of the reservoir is eX- tended over the entire space or area within the outer wall.

A cylinder or inverted cup, F, adapted to the reservoir so that its sides will extend down between the walls of the reservoir,is placed over the reservoir, covering the area within the inner wall thereof, so that by filling the reservoir with mercury or glycerine or other liquid, f, a gas-tight chamber, F, is formed, which is eXpansible to the extent that the sides f of the cup may be raised and lowered without lifting them out of the liquid in the reservoir. To the top of the cup a link, G, is attached, which is connected to the end of alever,H,pivotally connected to a bracket, h, attached to the partition a, and provided with a weight, G, which just balances the cup in the liquid.

The valved ports from the chamber A admit the gas alternately into one of the chambers A and one of the chambers F, formed by the cup and reservoir, the gas passing into the latter through the pipe I, which is admitted to chamber F through the bottom or at the side, as at t, connecting with the port leading from chamber A and the said chainbers A F on each side of the meter are alternately emptied through pipes I), coming from each side of the meter into the pipe 13", from which the gas is taken as consumed in the usual manner, the valves B also covering and opening and closing the ports of pipes I, as usual.

The cup F,th rough the link G, communicates its motion to the lever H, which is provided with an upwardly-projecting arm, J, to which a rod or bar, j, is connected, which rod extends and is attached to an arm,K,on the lower end of the rock-shaft C, and by this means the rock-shaft is operated through the upright motion of the cup F.

The arrangement of the two cups F in the chambers A" and their levers and link-connections with the rock-shafts C is such that when one is on the dead-center the other will be in operation to keep a continual rotary motion of the register when the gas is being used. Two guide-rods,L,may be employed in connecbrackets 71, arms J K, and rock-shaft 0, all 10 connected and. arranged substantially as for the purpose specified ARCHIE LANGLAIS. PETER ENGLISH.

tion with slotted lips Z, to steady the cup in its movement up and down. The joints-between the links, as at n, are made flexible, as a hinge-joint, in order to allow the necessary 5 movement.

What is claimed is- In a gas-meter, the expansible channbersA \Vitnesses: F, provided with a liquid joint, f, in combi- JNO. H. 'WHIPPLE, nation with links G, weights G, levers H, J. R. DEAN. 

